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Merge pull request #4257 from ronald-cron-arm/psa-aead

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Add PSA crypto driver delegation for AEAD single shot PSA APIs - 1
This commit is contained in:
Gilles Peskine 2021-04-14 14:07:51 +02:00 committed by GitHub
parent 528b0a6b18 810eb16831
commit 09c916afba
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
15 changed files with 1041 additions and 319 deletions
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1
library/CMakeLists.txt
View file

@ -63,6 +63,7 @@ set(src_crypto
platform_util.c
poly1305.c
psa_crypto.c
psa_crypto_aead.c
psa_crypto_cipher.c
psa_crypto_client.c
psa_crypto_driver_wrappers.c

1
library/Makefile
View file

@ -120,6 +120,7 @@ OBJS_CRYPTO= \
platform_util.o \
poly1305.o \
psa_crypto.o \
psa_crypto_aead.o \
psa_crypto_cipher.o \
psa_crypto_client.o \
psa_crypto_driver_wrappers.o \

350
library/psa_crypto.c
View file

@ -563,17 +563,6 @@ static psa_status_t validate_unstructured_key_bit_size( psa_key_type_t type,
return( PSA_SUCCESS );
}
/** Return the size of the key in the given slot, in bits.
*
* \param[in] slot A key slot.
*
* \return The key size in bits, read from the metadata in the slot.
*/
static inline size_t psa_get_key_slot_bits( const psa_key_slot_t *slot )
{
return( slot->attr.bits );
}
/** Check whether a given key type is valid for use with a given MAC algorithm
*
* Upon successful return of this function, the behavior of #PSA_MAC_LENGTH
@ -3530,158 +3519,6 @@ psa_status_t psa_cipher_abort( psa_cipher_operation_t *operation )
/* AEAD */
/****************************************************************/
typedef struct
{
psa_key_slot_t *slot;
const mbedtls_cipher_info_t *cipher_info;
union
{
unsigned dummy; /* Make the union non-empty even with no supported algorithms. */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
mbedtls_ccm_context ccm;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
mbedtls_gcm_context gcm;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
mbedtls_chachapoly_context chachapoly;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
} ctx;
psa_algorithm_t core_alg;
uint8_t full_tag_length;
uint8_t tag_length;
} aead_operation_t;
#define AEAD_OPERATION_INIT {0, 0, {0}, 0, 0, 0}
static void psa_aead_abort_internal( aead_operation_t *operation )
{
switch( operation->core_alg )
{
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
case PSA_ALG_CCM:
mbedtls_ccm_free( &operation->ctx.ccm );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
case PSA_ALG_GCM:
mbedtls_gcm_free( &operation->ctx.gcm );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
}
psa_unlock_key_slot( operation->slot );
}
static psa_status_t psa_aead_setup( aead_operation_t *operation,
mbedtls_svc_key_id_t key,
psa_key_usage_t usage,
psa_algorithm_t alg )
{
psa_status_t status;
size_t key_bits;
mbedtls_cipher_id_t cipher_id;
status = psa_get_and_lock_transparent_key_slot_with_policy(
key, &operation->slot, usage, alg );
if( status != PSA_SUCCESS )
return( status );
key_bits = psa_get_key_slot_bits( operation->slot );
operation->cipher_info =
mbedtls_cipher_info_from_psa( alg, operation->slot->attr.type, key_bits,
&cipher_id );
if( operation->cipher_info == NULL )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto cleanup;
}
switch( PSA_ALG_AEAD_WITH_SHORTENED_TAG( alg, 0 ) )
{
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_CCM, 0 ):
operation->core_alg = PSA_ALG_CCM;
operation->full_tag_length = 16;
/* CCM allows the following tag lengths: 4, 6, 8, 10, 12, 14, 16.
* The call to mbedtls_ccm_encrypt_and_tag or
* mbedtls_ccm_auth_decrypt will validate the tag length. */
if( PSA_BLOCK_CIPHER_BLOCK_LENGTH( operation->slot->attr.type ) != 16 )
{
status = PSA_ERROR_INVALID_ARGUMENT;
goto cleanup;
}
mbedtls_ccm_init( &operation->ctx.ccm );
status = mbedtls_to_psa_error(
mbedtls_ccm_setkey( &operation->ctx.ccm, cipher_id,
operation->slot->key.data,
(unsigned int) key_bits ) );
if( status != 0 )
goto cleanup;
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_GCM, 0 ):
operation->core_alg = PSA_ALG_GCM;
operation->full_tag_length = 16;
/* GCM allows the following tag lengths: 4, 8, 12, 13, 14, 15, 16.
* The call to mbedtls_gcm_crypt_and_tag or
* mbedtls_gcm_auth_decrypt will validate the tag length. */
if( PSA_BLOCK_CIPHER_BLOCK_LENGTH( operation->slot->attr.type ) != 16 )
{
status = PSA_ERROR_INVALID_ARGUMENT;
goto cleanup;
}
mbedtls_gcm_init( &operation->ctx.gcm );
status = mbedtls_to_psa_error(
mbedtls_gcm_setkey( &operation->ctx.gcm, cipher_id,
operation->slot->key.data,
(unsigned int) key_bits ) );
if( status != 0 )
goto cleanup;
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_CHACHA20_POLY1305, 0 ):
operation->core_alg = PSA_ALG_CHACHA20_POLY1305;
operation->full_tag_length = 16;
/* We only support the default tag length. */
if( alg != PSA_ALG_CHACHA20_POLY1305 )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto cleanup;
}
mbedtls_chachapoly_init( &operation->ctx.chachapoly );
status = mbedtls_to_psa_error(
mbedtls_chachapoly_setkey( &operation->ctx.chachapoly,
operation->slot->key.data ) );
if( status != 0 )
goto cleanup;
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
default:
status = PSA_ERROR_NOT_SUPPORTED;
goto cleanup;
}
if( PSA_AEAD_TAG_LENGTH( alg ) > operation->full_tag_length )
{
status = PSA_ERROR_INVALID_ARGUMENT;
goto cleanup;
}
operation->tag_length = PSA_AEAD_TAG_LENGTH( alg );
return( PSA_SUCCESS );
cleanup:
psa_aead_abort_internal( operation );
return( status );
}
psa_status_t psa_aead_encrypt( mbedtls_svc_key_id_t key,
psa_algorithm_t alg,
const uint8_t *nonce,
@ -3694,107 +3531,37 @@ psa_status_t psa_aead_encrypt( mbedtls_svc_key_id_t key,
size_t ciphertext_size,
size_t *ciphertext_length )
{
psa_status_t status;
aead_operation_t operation = AEAD_OPERATION_INIT;
uint8_t *tag;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_slot_t *slot;
*ciphertext_length = 0;
status = psa_aead_setup( &operation, key, PSA_KEY_USAGE_ENCRYPT, alg );
if( !PSA_ALG_IS_AEAD( alg ) || PSA_ALG_IS_WILDCARD( alg ) )
return( PSA_ERROR_NOT_SUPPORTED );
status = psa_get_and_lock_key_slot_with_policy(
key, &slot, PSA_KEY_USAGE_ENCRYPT, alg );
if( status != PSA_SUCCESS )
return( status );
/* For all currently supported modes, the tag is at the end of the
* ciphertext. */
if( ciphertext_size < ( plaintext_length + operation.tag_length ) )
{
status = PSA_ERROR_BUFFER_TOO_SMALL;
goto exit;
}
tag = ciphertext + plaintext_length;
psa_key_attributes_t attributes = {
.core = slot->attr
};
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_crypt_and_tag( &operation.ctx.gcm,
MBEDTLS_GCM_ENCRYPT,
plaintext_length,
status = psa_driver_wrapper_aead_encrypt(
&attributes, slot->key.data, slot->key.bytes,
alg,
nonce, nonce_length,
additional_data, additional_data_length,
plaintext, ciphertext,
operation.tag_length, tag ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM )
{
status = mbedtls_to_psa_error(
mbedtls_ccm_encrypt_and_tag( &operation.ctx.ccm,
plaintext_length,
nonce, nonce_length,
additional_data,
additional_data_length,
plaintext, ciphertext,
tag, operation.tag_length ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
{
if( nonce_length != 12 || operation.tag_length != 16 )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto exit;
}
status = mbedtls_to_psa_error(
mbedtls_chachapoly_encrypt_and_tag( &operation.ctx.chachapoly,
plaintext_length,
nonce,
additional_data,
additional_data_length,
plaintext,
ciphertext,
tag ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
{
(void) tag;
return( PSA_ERROR_NOT_SUPPORTED );
}
plaintext, plaintext_length,
ciphertext, ciphertext_size, ciphertext_length );
if( status != PSA_SUCCESS && ciphertext_size != 0 )
memset( ciphertext, 0, ciphertext_size );
exit:
psa_aead_abort_internal( &operation );
if( status == PSA_SUCCESS )
*ciphertext_length = plaintext_length + operation.tag_length;
return( status );
}
psa_unlock_key_slot( slot );
/* Locate the tag in a ciphertext buffer containing the encrypted data
* followed by the tag. Return the length of the part preceding the tag in
* *plaintext_length. This is the size of the plaintext in modes where
* the encrypted data has the same size as the plaintext, such as
* CCM and GCM. */
static psa_status_t psa_aead_unpadded_locate_tag( size_t tag_length,
const uint8_t *ciphertext,
size_t ciphertext_length,
size_t plaintext_size,
const uint8_t **p_tag )
{
size_t payload_length;
if( tag_length > ciphertext_length )
return( PSA_ERROR_INVALID_ARGUMENT );
payload_length = ciphertext_length - tag_length;
if( payload_length > plaintext_size )
return( PSA_ERROR_BUFFER_TOO_SMALL );
*p_tag = ciphertext + payload_length;
return( PSA_SUCCESS );
return( status );
}
psa_status_t psa_aead_decrypt( mbedtls_svc_key_id_t key,
@ -3809,86 +3576,39 @@ psa_status_t psa_aead_decrypt( mbedtls_svc_key_id_t key,
size_t plaintext_size,
size_t *plaintext_length )
{
psa_status_t status;
aead_operation_t operation = AEAD_OPERATION_INIT;
const uint8_t *tag = NULL;
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_slot_t *slot;
*plaintext_length = 0;
status = psa_aead_setup( &operation, key, PSA_KEY_USAGE_DECRYPT, alg );
if( !PSA_ALG_IS_AEAD( alg ) || PSA_ALG_IS_WILDCARD( alg ) )
return( PSA_ERROR_NOT_SUPPORTED );
status = psa_get_and_lock_key_slot_with_policy(
key, &slot, PSA_KEY_USAGE_DECRYPT, alg );
if( status != PSA_SUCCESS )
return( status );
status = psa_aead_unpadded_locate_tag( operation.tag_length,
ciphertext, ciphertext_length,
plaintext_size, &tag );
if( status != PSA_SUCCESS )
goto exit;
psa_key_attributes_t attributes = {
.core = slot->attr
};
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_auth_decrypt( &operation.ctx.gcm,
ciphertext_length - operation.tag_length,
status = psa_driver_wrapper_aead_decrypt(
&attributes, slot->key.data, slot->key.bytes,
alg,
nonce, nonce_length,
additional_data,
additional_data_length,
tag, operation.tag_length,
ciphertext, plaintext ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM )
{
status = mbedtls_to_psa_error(
mbedtls_ccm_auth_decrypt( &operation.ctx.ccm,
ciphertext_length - operation.tag_length,
nonce, nonce_length,
additional_data,
additional_data_length,
ciphertext, plaintext,
tag, operation.tag_length ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
{
if( nonce_length != 12 || operation.tag_length != 16 )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto exit;
}
status = mbedtls_to_psa_error(
mbedtls_chachapoly_auth_decrypt( &operation.ctx.chachapoly,
ciphertext_length - operation.tag_length,
nonce,
additional_data,
additional_data_length,
tag,
ciphertext,
plaintext ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
{
return( PSA_ERROR_NOT_SUPPORTED );
}
additional_data, additional_data_length,
ciphertext, ciphertext_length,
plaintext, plaintext_size, plaintext_length );
if( status != PSA_SUCCESS && plaintext_size != 0 )
memset( plaintext, 0, plaintext_size );
exit:
psa_aead_abort_internal( &operation );
if( status == PSA_SUCCESS )
*plaintext_length = ciphertext_length - operation.tag_length;
psa_unlock_key_slot( slot );
return( status );
}
/****************************************************************/
/* Generators */
/****************************************************************/

363
library/psa_crypto_aead.c Normal file
View file

@ -0,0 +1,363 @@
/*
* PSA AEAD entry points
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common.h"
#if defined(MBEDTLS_PSA_CRYPTO_C)
#include "psa_crypto_aead.h"
#include "psa_crypto_core.h"
#include "mbedtls/ccm.h"
#include "mbedtls/chachapoly.h"
#include "mbedtls/cipher.h"
#include "mbedtls/gcm.h"
typedef struct
{
union
{
unsigned dummy; /* Make the union non-empty even with no supported algorithms. */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
mbedtls_ccm_context ccm;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
mbedtls_gcm_context gcm;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
mbedtls_chachapoly_context chachapoly;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
} ctx;
psa_algorithm_t core_alg;
uint8_t tag_length;
} aead_operation_t;
#define AEAD_OPERATION_INIT {{0}, 0, 0}
static void psa_aead_abort_internal( aead_operation_t *operation )
{
switch( operation->core_alg )
{
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
case PSA_ALG_CCM:
mbedtls_ccm_free( &operation->ctx.ccm );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
case PSA_ALG_GCM:
mbedtls_gcm_free( &operation->ctx.gcm );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
case PSA_ALG_CHACHA20_POLY1305:
mbedtls_chachapoly_free( &operation->ctx.chachapoly );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
}
}
static psa_status_t psa_aead_setup(
aead_operation_t *operation,
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer,
psa_algorithm_t alg )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
size_t key_bits;
const mbedtls_cipher_info_t *cipher_info;
mbedtls_cipher_id_t cipher_id;
size_t full_tag_length = 0;
key_bits = attributes->core.bits;
cipher_info = mbedtls_cipher_info_from_psa( alg,
attributes->core.type, key_bits,
&cipher_id );
if( cipher_info == NULL )
return( PSA_ERROR_NOT_SUPPORTED );
switch( PSA_ALG_AEAD_WITH_SHORTENED_TAG( alg, 0 ) )
{
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_CCM, 0 ):
operation->core_alg = PSA_ALG_CCM;
full_tag_length = 16;
/* CCM allows the following tag lengths: 4, 6, 8, 10, 12, 14, 16.
* The call to mbedtls_ccm_encrypt_and_tag or
* mbedtls_ccm_auth_decrypt will validate the tag length. */
if( PSA_BLOCK_CIPHER_BLOCK_LENGTH( attributes->core.type ) != 16 )
return( PSA_ERROR_INVALID_ARGUMENT );
mbedtls_ccm_init( &operation->ctx.ccm );
status = mbedtls_to_psa_error(
mbedtls_ccm_setkey( &operation->ctx.ccm, cipher_id,
key_buffer, (unsigned int) key_bits ) );
if( status != PSA_SUCCESS )
return( status );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_GCM, 0 ):
operation->core_alg = PSA_ALG_GCM;
full_tag_length = 16;
/* GCM allows the following tag lengths: 4, 8, 12, 13, 14, 15, 16.
* The call to mbedtls_gcm_crypt_and_tag or
* mbedtls_gcm_auth_decrypt will validate the tag length. */
if( PSA_BLOCK_CIPHER_BLOCK_LENGTH( attributes->core.type ) != 16 )
return( PSA_ERROR_INVALID_ARGUMENT );
mbedtls_gcm_init( &operation->ctx.gcm );
status = mbedtls_to_psa_error(
mbedtls_gcm_setkey( &operation->ctx.gcm, cipher_id,
key_buffer, (unsigned int) key_bits ) );
if( status != PSA_SUCCESS )
return( status );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
case PSA_ALG_AEAD_WITH_SHORTENED_TAG( PSA_ALG_CHACHA20_POLY1305, 0 ):
operation->core_alg = PSA_ALG_CHACHA20_POLY1305;
full_tag_length = 16;
/* We only support the default tag length. */
if( alg != PSA_ALG_CHACHA20_POLY1305 )
return( PSA_ERROR_NOT_SUPPORTED );
mbedtls_chachapoly_init( &operation->ctx.chachapoly );
status = mbedtls_to_psa_error(
mbedtls_chachapoly_setkey( &operation->ctx.chachapoly,
key_buffer ) );
if( status != PSA_SUCCESS )
return( status );
break;
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
default:
return( PSA_ERROR_NOT_SUPPORTED );
}
if( PSA_AEAD_TAG_LENGTH( alg ) > full_tag_length )
return( PSA_ERROR_INVALID_ARGUMENT );
operation->tag_length = PSA_AEAD_TAG_LENGTH( alg );
return( PSA_SUCCESS );
}
psa_status_t mbedtls_psa_aead_encrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *plaintext, size_t plaintext_length,
uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
aead_operation_t operation = AEAD_OPERATION_INIT;
uint8_t *tag;
(void) key_buffer_size;
status = psa_aead_setup( &operation, attributes, key_buffer, alg );
if( status != PSA_SUCCESS )
goto exit;
/* For all currently supported modes, the tag is at the end of the
* ciphertext. */
if( ciphertext_size < ( plaintext_length + operation.tag_length ) )
{
status = PSA_ERROR_BUFFER_TOO_SMALL;
goto exit;
}
tag = ciphertext + plaintext_length;
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM )
{
status = mbedtls_to_psa_error(
mbedtls_ccm_encrypt_and_tag( &operation.ctx.ccm,
plaintext_length,
nonce, nonce_length,
additional_data,
additional_data_length,
plaintext, ciphertext,
tag, operation.tag_length ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_crypt_and_tag( &operation.ctx.gcm,
MBEDTLS_GCM_ENCRYPT,
plaintext_length,
nonce, nonce_length,
additional_data, additional_data_length,
plaintext, ciphertext,
operation.tag_length, tag ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
{
if( nonce_length != 12 || operation.tag_length != 16 )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto exit;
}
status = mbedtls_to_psa_error(
mbedtls_chachapoly_encrypt_and_tag( &operation.ctx.chachapoly,
plaintext_length,
nonce,
additional_data,
additional_data_length,
plaintext,
ciphertext,
tag ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
{
(void) tag;
return( PSA_ERROR_NOT_SUPPORTED );
}
if( status == PSA_SUCCESS )
*ciphertext_length = plaintext_length + operation.tag_length;
exit:
psa_aead_abort_internal( &operation );
return( status );
}
/* Locate the tag in a ciphertext buffer containing the encrypted data
* followed by the tag. Return the length of the part preceding the tag in
* *plaintext_length. This is the size of the plaintext in modes where
* the encrypted data has the same size as the plaintext, such as
* CCM and GCM. */
static psa_status_t psa_aead_unpadded_locate_tag( size_t tag_length,
const uint8_t *ciphertext,
size_t ciphertext_length,
size_t plaintext_size,
const uint8_t **p_tag )
{
size_t payload_length;
if( tag_length > ciphertext_length )
return( PSA_ERROR_INVALID_ARGUMENT );
payload_length = ciphertext_length - tag_length;
if( payload_length > plaintext_size )
return( PSA_ERROR_BUFFER_TOO_SMALL );
*p_tag = ciphertext + payload_length;
return( PSA_SUCCESS );
}
psa_status_t mbedtls_psa_aead_decrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *ciphertext, size_t ciphertext_length,
uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
aead_operation_t operation = AEAD_OPERATION_INIT;
const uint8_t *tag = NULL;
(void) key_buffer_size;
status = psa_aead_setup( &operation, attributes, key_buffer, alg );
if( status != PSA_SUCCESS )
goto exit;
status = psa_aead_unpadded_locate_tag( operation.tag_length,
ciphertext, ciphertext_length,
plaintext_size, &tag );
if( status != PSA_SUCCESS )
goto exit;
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM )
{
status = mbedtls_to_psa_error(
mbedtls_ccm_auth_decrypt( &operation.ctx.ccm,
ciphertext_length - operation.tag_length,
nonce, nonce_length,
additional_data,
additional_data_length,
ciphertext, plaintext,
tag, operation.tag_length ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_auth_decrypt( &operation.ctx.gcm,
ciphertext_length - operation.tag_length,
nonce, nonce_length,
additional_data,
additional_data_length,
tag, operation.tag_length,
ciphertext, plaintext ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
{
if( nonce_length != 12 || operation.tag_length != 16 )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto exit;
}
status = mbedtls_to_psa_error(
mbedtls_chachapoly_auth_decrypt( &operation.ctx.chachapoly,
ciphertext_length - operation.tag_length,
nonce,
additional_data,
additional_data_length,
tag,
ciphertext,
plaintext ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305 */
{
return( PSA_ERROR_NOT_SUPPORTED );
}
if( status == PSA_SUCCESS )
*plaintext_length = ciphertext_length - operation.tag_length;
exit:
psa_aead_abort_internal( &operation );
if( status == PSA_SUCCESS )
*plaintext_length = ciphertext_length - operation.tag_length;
return( status );
}
#endif /* MBEDTLS_PSA_CRYPTO_C */

151
library/psa_crypto_aead.h Normal file
View file

@ -0,0 +1,151 @@
/*
* PSA AEAD driver entry points
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PSA_CRYPTO_AEAD_H
#define PSA_CRYPTO_AEAD_H
#include <psa/crypto.h>
/**
* \brief Process an authenticated encryption operation.
*
* \note The signature of this function is that of a PSA driver
* aead_encrypt entry point. This function behaves as an aead_encrypt
* entry point as defined in the PSA driver interface specification for
* transparent drivers.
*
* \param[in] attributes The attributes of the key to use for the
* operation.
* \param[in] key_buffer The buffer containing the key context.
* \param key_buffer_size Size of the \p key_buffer buffer in bytes.
* \param alg The AEAD algorithm to compute.
* \param[in] nonce Nonce or IV to use.
* \param nonce_length Size of the nonce buffer in bytes. This must
* be appropriate for the selected algorithm.
* The default nonce size is
* PSA_AEAD_NONCE_LENGTH(key_type, alg) where
* key_type is the type of key.
* \param[in] additional_data Additional data that will be authenticated
* but not encrypted.
* \param additional_data_length Size of additional_data in bytes.
* \param[in] plaintext Data that will be authenticated and encrypted.
* \param plaintext_length Size of plaintext in bytes.
* \param[out] ciphertext Output buffer for the authenticated and
* encrypted data. The additional data is not
* part of this output. For algorithms where the
* encrypted data and the authentication tag are
* defined as separate outputs, the
* authentication tag is appended to the
* encrypted data.
* \param ciphertext_size Size of the ciphertext buffer in bytes. This
* must be appropriate for the selected algorithm
* and key:
* - A sufficient output size is
* PSA_AEAD_ENCRYPT_OUTPUT_SIZE(key_type, alg,
* plaintext_length) where key_type is the type
* of key.
* - PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE(
* plaintext_length) evaluates to the maximum
* ciphertext size of any supported AEAD
* encryption.
* \param[out] ciphertext_length On success, the size of the output in the
* ciphertext buffer.
*
* \retval #PSA_SUCCESS Success.
* \retval #PSA_ERROR_NOT_SUPPORTED
* \p alg is not supported.
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* \retval #PSA_ERROR_BUFFER_TOO_SMALL
* ciphertext_size is too small.
* \retval #PSA_ERROR_CORRUPTION_DETECTED
*/
psa_status_t mbedtls_psa_aead_encrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *plaintext, size_t plaintext_length,
uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length );
/**
* \brief Process an authenticated decryption operation.
*
* \note The signature of this function is that of a PSA driver
* aead_decrypt entry point. This function behaves as an aead_decrypt
* entry point as defined in the PSA driver interface specification for
* transparent drivers.
*
* \param[in] attributes The attributes of the key to use for the
* operation.
* \param[in] key_buffer The buffer containing the key context.
* \param key_buffer_size Size of the \p key_buffer buffer in bytes.
* \param alg The AEAD algorithm to compute.
* \param[in] nonce Nonce or IV to use.
* \param nonce_length Size of the nonce buffer in bytes. This must
* be appropriate for the selected algorithm.
* The default nonce size is
* PSA_AEAD_NONCE_LENGTH(key_type, alg) where
* key_type is the type of key.
* \param[in] additional_data Additional data that has been authenticated
* but not encrypted.
* \param additional_data_length Size of additional_data in bytes.
* \param[in] ciphertext Data that has been authenticated and
* encrypted. For algorithms where the encrypted
* data and the authentication tag are defined
* as separate inputs, the buffer contains
* encrypted data followed by the authentication
* tag.
* \param ciphertext_length Size of ciphertext in bytes.
* \param[out] plaintext Output buffer for the decrypted data.
* \param plaintext_size Size of the plaintext buffer in bytes. This
* must be appropriate for the selected algorithm
* and key:
* - A sufficient output size is
* PSA_AEAD_DECRYPT_OUTPUT_SIZE(key_type, alg,
* ciphertext_length) where key_type is the
* type of key.
* - PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE(
* ciphertext_length) evaluates to the maximum
* plaintext size of any supported AEAD
* decryption.
* \param[out] plaintext_length On success, the size of the output in the
* plaintext buffer.
*
* \retval #PSA_SUCCESS Success.
* \retval #PSA_ERROR_INVALID_SIGNATURE
* The cipher is not authentic.
* \retval #PSA_ERROR_NOT_SUPPORTED
* \p alg is not supported.
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* \retval #PSA_ERROR_BUFFER_TOO_SMALL
* plaintext_size is too small.
* \retval #PSA_ERROR_CORRUPTION_DETECTED
*/
psa_status_t mbedtls_psa_aead_decrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *ciphertext, size_t ciphertext_length,
uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length );
#endif /* PSA_CRYPTO_AEAD */

16
library/psa_crypto_core.h
View file

@ -212,6 +212,22 @@ psa_status_t psa_copy_key_material_into_slot( psa_key_slot_t *slot,
*/
psa_status_t mbedtls_to_psa_error( int ret );
/** Get Mbed TLS cipher information given the cipher algorithm PSA identifier
* as well as the PSA type and size of the key to be used with the cipher
* algorithm.
*
* \param alg PSA cipher algorithm identifier
* \param key_type PSA key type
* \param key_bits Size of the key in bits
* \param[out] cipher_id Mbed TLS cipher algorithm identifier
*
* \return The Mbed TLS cipher information of the cipher algorithm.
* \c NULL if the PSA cipher algorithm is not supported.
*/
const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
psa_algorithm_t alg, psa_key_type_t key_type, size_t key_bits,
mbedtls_cipher_id_t *cipher_id );
/** Import a key in binary format.
*
* \note The signature of this function is that of a PSA driver

104
library/psa_crypto_driver_wrappers.c
View file

@ -19,6 +19,7 @@
* limitations under the License.
*/
#include "psa_crypto_aead.h"
#include "psa_crypto_cipher.h"
#include "psa_crypto_core.h"
#include "psa_crypto_driver_wrappers.h"
@ -1177,4 +1178,107 @@ psa_status_t psa_driver_wrapper_hash_abort(
}
}
psa_status_t psa_driver_wrapper_aead_encrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *plaintext, size_t plaintext_length,
uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_location_t location =
PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
switch( location )
{
case PSA_KEY_LOCATION_LOCAL_STORAGE:
/* Key is stored in the slot in export representation, so
* cycle through all known transparent accelerators */
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
#if defined(PSA_CRYPTO_DRIVER_TEST)
status = test_transparent_aead_encrypt(
attributes, key_buffer, key_buffer_size,
alg,
nonce, nonce_length,
additional_data, additional_data_length,
plaintext, plaintext_length,
ciphertext, ciphertext_size, ciphertext_length );
/* Declared with fallback == true */
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
/* Fell through, meaning no accelerator supports this operation */
return( mbedtls_psa_aead_encrypt(
attributes, key_buffer, key_buffer_size,
alg,
nonce, nonce_length,
additional_data, additional_data_length,
plaintext, plaintext_length,
ciphertext, ciphertext_size, ciphertext_length ) );
/* Add cases for opaque driver here */
default:
/* Key is declared with a lifetime not known to us */
(void)status;
return( PSA_ERROR_INVALID_ARGUMENT );
}
}
psa_status_t psa_driver_wrapper_aead_decrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *ciphertext, size_t ciphertext_length,
uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_location_t location =
PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
switch( location )
{
case PSA_KEY_LOCATION_LOCAL_STORAGE:
/* Key is stored in the slot in export representation, so
* cycle through all known transparent accelerators */
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
#if defined(PSA_CRYPTO_DRIVER_TEST)
status = test_transparent_aead_decrypt(
attributes, key_buffer, key_buffer_size,
alg,
nonce, nonce_length,
additional_data, additional_data_length,
ciphertext, ciphertext_length,
plaintext, plaintext_size, plaintext_length );
/* Declared with fallback == true */
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
/* Fell through, meaning no accelerator supports this operation */
return( mbedtls_psa_aead_decrypt(
attributes, key_buffer, key_buffer_size,
alg,
nonce, nonce_length,
additional_data, additional_data_length,
ciphertext, ciphertext_length,
plaintext, plaintext_size, plaintext_length ) );
/* Add cases for opaque driver here */
default:
/* Key is declared with a lifetime not known to us */
(void)status;
return( PSA_ERROR_INVALID_ARGUMENT );
}
}
/* End of automatically generated file. */

22
library/psa_crypto_driver_wrappers.h
View file

@ -156,6 +156,28 @@ psa_status_t psa_driver_wrapper_hash_finish(
psa_status_t psa_driver_wrapper_hash_abort(
psa_hash_operation_t *operation );
/*
* AEAD functions
*/
psa_status_t psa_driver_wrapper_aead_encrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *plaintext, size_t plaintext_length,
uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length );
psa_status_t psa_driver_wrapper_aead_decrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *ciphertext, size_t ciphertext_length,
uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length );
#endif /* PSA_CRYPTO_DRIVER_WRAPPERS_H */
/* End of automatically generated file. */

70
tests/include/test/drivers/aead.h Normal file
View file

@ -0,0 +1,70 @@
/*
* Test driver for AEAD driver entry points.
*/
/* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PSA_CRYPTO_TEST_DRIVERS_AEAD_H
#define PSA_CRYPTO_TEST_DRIVERS_AEAD_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(PSA_CRYPTO_DRIVER_TEST)
#include <psa/crypto_driver_common.h>
typedef struct {
/* If not PSA_SUCCESS, return this error code instead of processing the
* function call. */
psa_status_t forced_status;
/* Count the amount of times AEAD driver functions are called. */
unsigned long hits;
/* Status returned by the last AEAD driver function call. */
psa_status_t driver_status;
} test_driver_aead_hooks_t;
#define TEST_DRIVER_AEAD_INIT { 0, 0, 0 }
static inline test_driver_aead_hooks_t test_driver_aead_hooks_init( void )
{
const test_driver_aead_hooks_t v = TEST_DRIVER_AEAD_INIT;
return( v );
}
extern test_driver_aead_hooks_t test_driver_aead_hooks;
psa_status_t test_transparent_aead_encrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *plaintext, size_t plaintext_length,
uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length );
psa_status_t test_transparent_aead_decrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *ciphertext, size_t ciphertext_length,
uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_TEST_DRIVERS_AEAD_H */

1
tests/include/test/drivers/test_driver.h
View file

@ -22,6 +22,7 @@
#define PSA_CRYPTO_TEST_DRIVER_LIFETIME 0x7fffff
#include "test/drivers/aead.h"
#include "test/drivers/signature.h"
#include "test/drivers/key_management.h"
#include "test/drivers/cipher.h"

95
tests/src/drivers/aead.c Normal file
View file

@ -0,0 +1,95 @@
/*
* Test driver for AEAD entry points.
*/
/* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_PSA_CRYPTO_DRIVERS) && defined(PSA_CRYPTO_DRIVER_TEST)
#include "psa_crypto_aead.h"
#include "test/drivers/aead.h"
test_driver_aead_hooks_t test_driver_aead_hooks = TEST_DRIVER_AEAD_INIT;
psa_status_t test_transparent_aead_encrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *plaintext, size_t plaintext_length,
uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length )
{
test_driver_aead_hooks.hits++;
if( test_driver_aead_hooks.forced_status != PSA_SUCCESS )
{
test_driver_aead_hooks.driver_status =
test_driver_aead_hooks.forced_status;
}
else
{
test_driver_aead_hooks.driver_status =
mbedtls_psa_aead_encrypt(
attributes, key_buffer, key_buffer_size,
alg,
nonce, nonce_length,
additional_data, additional_data_length,
plaintext, plaintext_length,
ciphertext, ciphertext_size, ciphertext_length );
}
return( test_driver_aead_hooks.driver_status );
}
psa_status_t test_transparent_aead_decrypt(
const psa_key_attributes_t *attributes,
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg,
const uint8_t *nonce, size_t nonce_length,
const uint8_t *additional_data, size_t additional_data_length,
const uint8_t *ciphertext, size_t ciphertext_length,
uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length )
{
test_driver_aead_hooks.hits++;
if( test_driver_aead_hooks.forced_status != PSA_SUCCESS )
{
test_driver_aead_hooks.driver_status =
test_driver_aead_hooks.forced_status;
}
else
{
test_driver_aead_hooks.driver_status =
mbedtls_psa_aead_decrypt(
attributes, key_buffer, key_buffer_size,
alg,
nonce, nonce_length,
additional_data, additional_data_length,
ciphertext, ciphertext_length,
plaintext, plaintext_size, plaintext_length );
}
return( test_driver_aead_hooks.driver_status );
}
#endif /* MBEDTLS_PSA_CRYPTO_DRIVERS && PSA_CRYPTO_DRIVER_TEST */

2
tests/suites/test_suite_psa_crypto.data
View file

@ -558,7 +558,7 @@ aead_key_policy:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_AEAD_WITH_
PSA key policy: AEAD, min-length policy used as algorithm
depends_on:PSA_WANT_ALG_CCM:PSA_WANT_KEY_TYPE_AES
aead_key_policy:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_AEAD_WITH_AT_LEAST_THIS_LENGTH_TAG(PSA_ALG_CCM, 8):PSA_KEY_TYPE_AES:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":13:8:PSA_ALG_AEAD_WITH_AT_LEAST_THIS_LENGTH_TAG(PSA_ALG_CCM, 8):PSA_ERROR_INVALID_ARGUMENT
aead_key_policy:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_AEAD_WITH_AT_LEAST_THIS_LENGTH_TAG(PSA_ALG_CCM, 8):PSA_KEY_TYPE_AES:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":13:8:PSA_ALG_AEAD_WITH_AT_LEAST_THIS_LENGTH_TAG(PSA_ALG_CCM, 8):PSA_ERROR_NOT_SUPPORTED
PSA key policy: AEAD, tag length > exact-length policy
depends_on:PSA_WANT_ALG_CCM:PSA_WANT_KEY_TYPE_AES

48
tests/suites/test_suite_psa_crypto_driver_wrappers.data
View file

@ -195,3 +195,51 @@ cipher_decrypt_multipart:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf715880
Cipher driver: negative testing on all entry points
depends_on:PSA_WANT_ALG_CTR:PSA_WANT_KEY_TYPE_AES
cipher_entry_points:PSA_ALG_CTR:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":"2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a":"6bc1bee22e409f96e93d7e117393172a"
PSA AEAD encrypt: AES-CCM, 24 bytes
depends_on:MBEDTLS_AES_C:MBEDTLS_CCM_C
aead_encrypt:PSA_KEY_TYPE_AES:"4189351B5CAEA375A0299E81C621BF43":PSA_ALG_CCM:"48c0906930561e0ab0ef4cd972":"40a27c1d1e23ea3dbe8056b2774861a4a201cce49f19997d19206d8c8a343951":"4535d12b4377928a7c0a61c9f825a48671ea05910748c8ef":"26c56961c035a7e452cce61bc6ee220d77b3f94d18fd10b6d80e8bf80f4a46cab06d4313f0db9be9":PSA_SUCCESS
PSA AEAD encrypt: AES-CCM, 24 bytes, fallback
depends_on:MBEDTLS_AES_C:MBEDTLS_CCM_C
aead_encrypt:PSA_KEY_TYPE_AES:"4189351B5CAEA375A0299E81C621BF43":PSA_ALG_CCM:"48c0906930561e0ab0ef4cd972":"40a27c1d1e23ea3dbe8056b2774861a4a201cce49f19997d19206d8c8a343951":"4535d12b4377928a7c0a61c9f825a48671ea05910748c8ef":"26c56961c035a7e452cce61bc6ee220d77b3f94d18fd10b6d80e8bf80f4a46cab06d4313f0db9be9":PSA_ERROR_NOT_SUPPORTED
PSA AEAD encrypt: AES-CCM, 24 bytes, INSUFFICIENT_MEMORY
depends_on:MBEDTLS_AES_C:MBEDTLS_CCM_C
aead_encrypt:PSA_KEY_TYPE_AES:"4189351B5CAEA375A0299E81C621BF43":PSA_ALG_CCM:"48c0906930561e0ab0ef4cd972":"40a27c1d1e23ea3dbe8056b2774861a4a201cce49f19997d19206d8c8a343951":"4535d12b4377928a7c0a61c9f825a48671ea05910748c8ef":"26c56961c035a7e452cce61bc6ee220d77b3f94d18fd10b6d80e8bf80f4a46cab06d4313f0db9be9":PSA_ERROR_INSUFFICIENT_MEMORY
PSA AEAD encrypt, AES-GCM, 128 bytes #1
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
aead_encrypt:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c872814365847fe0b7b7fbed325953df344a96":PSA_SUCCESS
PSA AEAD encrypt, AES-GCM, 128 bytes #1, fallback
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
aead_encrypt:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c872814365847fe0b7b7fbed325953df344a96":PSA_ERROR_NOT_SUPPORTED
PSA AEAD encrypt, AES-GCM, 128 bytes #1, INSUFFICIENT_MEMORY
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
aead_encrypt:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c872814365847fe0b7b7fbed325953df344a96":PSA_ERROR_INSUFFICIENT_MEMORY
PSA AEAD decrypt: AES-CCM, 39 bytes
depends_on:MBEDTLS_AES_C:MBEDTLS_CCM_C
aead_decrypt:PSA_KEY_TYPE_AES:"D7828D13B2B0BDC325A76236DF93CC6B":PSA_ALG_CCM:"00412B4EA9CDBE3C9696766CFA":"0BE1A88BACE018B1":"4CB97F86A2A4689A877947AB8091EF5386A6FFBDD080F8120333D1FCB691F3406CBF531F83A4D8":"08E8CF97D820EA258460E96AD9CF5289054D895CEAC47C":PSA_SUCCESS
PSA AEAD decrypt: AES-CCM, 39 bytes, fallback
depends_on:MBEDTLS_AES_C:MBEDTLS_CCM_C
aead_decrypt:PSA_KEY_TYPE_AES:"D7828D13B2B0BDC325A76236DF93CC6B":PSA_ALG_CCM:"00412B4EA9CDBE3C9696766CFA":"0BE1A88BACE018B1":"4CB97F86A2A4689A877947AB8091EF5386A6FFBDD080F8120333D1FCB691F3406CBF531F83A4D8":"08E8CF97D820EA258460E96AD9CF5289054D895CEAC47C":PSA_ERROR_NOT_SUPPORTED
PSA AEAD decrypt: AES-CCM, 39 bytes, INSUFFICIENT_MEMORY
depends_on:MBEDTLS_AES_C:MBEDTLS_CCM_C
aead_decrypt:PSA_KEY_TYPE_AES:"D7828D13B2B0BDC325A76236DF93CC6B":PSA_ALG_CCM:"00412B4EA9CDBE3C9696766CFA":"0BE1A88BACE018B1":"4CB97F86A2A4689A877947AB8091EF5386A6FFBDD080F8120333D1FCB691F3406CBF531F83A4D8":"08E8CF97D820EA258460E96AD9CF5289054D895CEAC47C":PSA_ERROR_INSUFFICIENT_MEMORY
PSA AEAD decrypt, AES-GCM, 144 bytes #1
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
aead_decrypt:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c872814365847fe0b7b7fbed325953df344a96":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":PSA_SUCCESS
PSA AEAD decrypt, AES-GCM, 144 bytes #1, fallback
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
aead_decrypt:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c872814365847fe0b7b7fbed325953df344a96":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":PSA_ERROR_NOT_SUPPORTED
PSA AEAD decrypt, AES-GCM, 144 bytes #1, INSUFFICIENT_MEMORY
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
aead_decrypt:PSA_KEY_TYPE_AES:"a0ec7b0052541d9e9c091fb7fc481409":PSA_ALG_GCM:"00e440846db73a490573deaf3728c94f":"a3cfcb832e935eb5bc3812583b3a1b2e82920c07fda3668a35d939d8f11379bb606d39e6416b2ef336fffb15aec3f47a71e191f4ff6c56ff15913562619765b26ae094713d60bab6ab82bfc36edaaf8c7ce2cf5906554dcc5933acdb9cb42c1d24718efdc4a09256020b024b224cfe602772bd688c6c8f1041a46f7ec7d51208":"3b6de52f6e582d317f904ee768895bd4d0790912efcf27b58651d0eb7eb0b2f07222c6ffe9f7e127d98ccb132025b098a67dc0ec0083235e9f83af1ae1297df4319547cbcb745cebed36abc1f32a059a05ede6c00e0da097521ead901ad6a73be20018bda4c323faa135169e21581e5106ac20853642e9d6b17f1dd925c872814365847fe0b7b7fbed325953df344a96":"5431d93278c35cfcd7ffa9ce2de5c6b922edffd5055a9eaa5b54cae088db007cf2d28efaf9edd1569341889073e87c0a88462d77016744be62132fd14a243ed6e30e12cd2f7d08a8daeec161691f3b27d4996df8745d74402ee208e4055615a8cb069d495cf5146226490ac615d7b17ab39fb4fdd098e4e7ee294d34c1312826":PSA_ERROR_INSUFFICIENT_MEMORY

127
tests/suites/test_suite_psa_crypto_driver_wrappers.function
View file

@ -809,3 +809,130 @@ exit:
test_driver_cipher_hooks = test_driver_cipher_hooks_init();
}
/* END_CASE */
/* BEGIN_CASE */
void aead_encrypt( int key_type_arg, data_t *key_data,
int alg_arg,
data_t *nonce,
data_t *additional_data,
data_t *input_data,
data_t *expected_result,
int forced_status_arg )
{
mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
psa_key_type_t key_type = key_type_arg;
psa_algorithm_t alg = alg_arg;
psa_status_t forced_status = forced_status_arg;
unsigned char *output_data = NULL;
size_t output_size = 0;
size_t output_length = 0;
size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_status_t status = PSA_ERROR_GENERIC_ERROR;
test_driver_aead_hooks = test_driver_aead_hooks_init();
output_size = input_data->len + tag_length;
/* For all currently defined algorithms, PSA_AEAD_ENCRYPT_OUTPUT_SIZE
* should be exact. */
TEST_EQUAL( output_size,
PSA_AEAD_ENCRYPT_OUTPUT_SIZE( alg, input_data->len ) );
TEST_ASSERT( output_size <=
PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
ASSERT_ALLOC( output_data, output_size );
PSA_ASSERT( psa_crypto_init( ) );
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_ENCRYPT );
psa_set_key_algorithm( &attributes, alg );
psa_set_key_type( &attributes, key_type );
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
&key ) );
test_driver_aead_hooks.forced_status = forced_status;
status = psa_aead_encrypt( key, alg,
nonce->x, nonce->len,
additional_data->x, additional_data->len,
input_data->x, input_data->len,
output_data, output_size,
&output_length );
TEST_EQUAL( test_driver_aead_hooks.hits, 1 );
TEST_EQUAL( test_driver_aead_hooks.driver_status, forced_status );
TEST_EQUAL( status, ( forced_status == PSA_ERROR_NOT_SUPPORTED ) ?
PSA_SUCCESS : forced_status );
if( status == PSA_SUCCESS )
{
ASSERT_COMPARE( expected_result->x, expected_result->len,
output_data, output_length );
}
exit:
psa_destroy_key( key );
mbedtls_free( output_data );
PSA_DONE( );
test_driver_aead_hooks = test_driver_aead_hooks_init();
}
/* END_CASE */
/* BEGIN_CASE */
void aead_decrypt( int key_type_arg, data_t *key_data,
int alg_arg,
data_t *nonce,
data_t *additional_data,
data_t *input_data,
data_t *expected_data,
int forced_status_arg )
{
mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
psa_key_type_t key_type = key_type_arg;
psa_algorithm_t alg = alg_arg;
psa_status_t forced_status = forced_status_arg;
unsigned char *output_data = NULL;
size_t output_size = 0;
size_t output_length = 0;
size_t tag_length = PSA_AEAD_TAG_LENGTH( alg );
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_status_t status = PSA_ERROR_GENERIC_ERROR;
test_driver_aead_hooks = test_driver_aead_hooks_init();
output_size = input_data->len - tag_length;
ASSERT_ALLOC( output_data, output_size );
PSA_ASSERT( psa_crypto_init( ) );
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_DECRYPT );
psa_set_key_algorithm( &attributes, alg );
psa_set_key_type( &attributes, key_type );
PSA_ASSERT( psa_import_key( &attributes, key_data->x, key_data->len,
&key ) );
test_driver_aead_hooks.forced_status = forced_status;
status = psa_aead_decrypt( key, alg,
nonce->x, nonce->len,
additional_data->x,
additional_data->len,
input_data->x, input_data->len,
output_data, output_size,
&output_length );
TEST_EQUAL( test_driver_aead_hooks.hits, 1 );
TEST_EQUAL( test_driver_aead_hooks.driver_status, forced_status );
TEST_EQUAL( status, ( forced_status == PSA_ERROR_NOT_SUPPORTED ) ?
PSA_SUCCESS : forced_status );
if( status == PSA_SUCCESS )
{
ASSERT_COMPARE( expected_data->x, expected_data->len,
output_data, output_length );
}
exit:
psa_destroy_key( key );
mbedtls_free( output_data );
PSA_DONE( );
test_driver_aead_hooks = test_driver_aead_hooks_init();
}
/* END_CASE */

3
visualc/VS2010/mbedTLS.vcxproj
View file

@ -243,6 +243,7 @@
<ClInclude Include="..\..\tests\include\test\psa_exercise_key.h" />
<ClInclude Include="..\..\tests\include\test\psa_helpers.h" />
<ClInclude Include="..\..\tests\include\test\random.h" />
<ClInclude Include="..\..\tests\include\test\drivers\aead.h" />
<ClInclude Include="..\..\tests\include\test\drivers\cipher.h" />
<ClInclude Include="..\..\tests\include\test\drivers\key_management.h" />
<ClInclude Include="..\..\tests\include\test\drivers\signature.h" />
@ -255,6 +256,7 @@
<ClInclude Include="..\..\library\mps_error.h" />
<ClInclude Include="..\..\library\mps_reader.h" />
<ClInclude Include="..\..\library\mps_trace.h" />
<ClInclude Include="..\..\library\psa_crypto_aead.h" />
<ClInclude Include="..\..\library\psa_crypto_cipher.h" />
<ClInclude Include="..\..\library\psa_crypto_core.h" />
<ClInclude Include="..\..\library\psa_crypto_driver_wrappers.h" />
@ -332,6 +334,7 @@
<ClCompile Include="..\..\library\platform_util.c" />
<ClCompile Include="..\..\library\poly1305.c" />
<ClCompile Include="..\..\library\psa_crypto.c" />
<ClCompile Include="..\..\library\psa_crypto_aead.c" />
<ClCompile Include="..\..\library\psa_crypto_cipher.c" />
<ClCompile Include="..\..\library\psa_crypto_client.c" />
<ClCompile Include="..\..\library\psa_crypto_driver_wrappers.c" />